/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: a
 * Date: 2022-11-13
 * Time: 12:09
 */
public class First {
    private int res = 10;

    public void doFirst(){
        System.out.println("开始执行第一步");
        System.out.println(res);
    }
}
